<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>原生JS实现鼠标滑动撒爱心特效</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            font-family: '微软雅黑', sans-serif;
        }
 
        body {
            height: 100vh;
            background: #000;
            overflow: hidden;
        }
 
        span {
            position: absolute;
            background: url(img/snow.png);
            pointer-events: none;
            width: 100px;
            height: 100px;
            background-size: cover;
            transform: translate(-50%, -50%);
            animation: animate 2s linear infinite;
        }
 
        @keyframes animate {
            0% {
                transform: translate(-50%, -50%);
                opacity: 1;
                filter: hue-rotate(0deg);
            }
 
            100% {
                transform: translate(-50%, -1000%);
                opacity: 0;
                filter: hue-rotate(360deg);
            }
        }
    </style>
</head>
 
<body>
    <script>
        document.addEventListener('mousemove', (e) => {
            let body = document.querySelector('body')
            let heart = document.createElement('span')
            let x = e.offsetX
            let y = e.offsetY
            heart.style.left = x + 'px'
            heart.style.top = y + 'px'
            let size = Math.random() * 100
            heart.style.width = size + 'px'
            heart.style.height = size + 'px'
            body.appendChild(heart)
            setTimeout(() => {
                heart.remove()
            }, 3000)
        })
    </script>
</body>
 
</html>